Acoustic wall panel



FIG. 1 is front perspective view of the acoustic wall panel; and,

FIG. 2 is a front elevation view of the acoustic wall panel, it being understood that the ornamental design of FIGS. 1 and 2 are not expressed in top, bottom, and side views and thus they are omitted, the peripheral outwardly disposed areas of the treatment shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM I claim the ornamental design for an acoustic wall panel, as shown and described. 